Home / 20,629,549.54-30,945,352.20-7,851,044.62

Finding the Fourth Proportional to 20,629,549.54, 30,945,352.20 and 7,851,044.62

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Solution

The fourth proportional to 20,629,549.54, 30,945,352.20 and 7,851,044.62 is: 11,776,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,549.54 : 30,945,352.20 = 7,851,044.62 : x
  2. Step 2: Convert to fraction form
    20,629,549.54/30,945,352.20 = 7,851,044.62/x
  3. Step 3: Cross multiply
    20,629,549.54x = 30,945,352.20 × 7,851,044.62
  4. Step 4: Simplify right side
    20,629,549.54x = 242,953,340,903,815.16
  5. Step 5: Solve for x
    x = 242,953,340,903,815.16/20,629,549.54
  6. Step 6: Final answer
    x = 11,776,958.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.